* [PATCH] dmaengine: dw-edma: Add HDMA NATIVE map check
@ 2025-04-08 6:26 Devendra K Verma
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From: Devendra K Verma @ 2025-04-08 6:26 UTC (permalink / raw)
To: manivannan.sadhasivam, vkoul; +Cc: dmaengine, michal.simek, linux-kernel
The HDMA IP supports the HDMA_NATIVE map format as part of Vendor-Specific
Extended Capability. Added the check for HDMA_NATIVE map format.
The check for map format enables the IP specific function invocation
during the DMA ops.
Signed-off-by: Devendra K Verma <devverma@amd.com>
---
drivers/dma/dw-edma/dw-edma-pcie.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c
index 1c6043751dc9..42b2a554f7a5 100644
--- a/drivers/dma/dw-edma/dw-edma-pcie.c
+++ b/drivers/dma/dw-edma/dw-edma-pcie.c
@@ -136,7 +136,8 @@ static void dw_edma_pcie_get_vsec_dma_data(struct pci_dev *pdev,
map = FIELD_GET(DW_PCIE_VSEC_DMA_MAP, val);
if (map != EDMA_MF_EDMA_LEGACY &&
map != EDMA_MF_EDMA_UNROLL &&
- map != EDMA_MF_HDMA_COMPAT)
+ map != EDMA_MF_HDMA_COMPAT &&
+ map != EDMA_MF_HDMA_NATIVE)
return;
pdata->mf = map;
--
2.43.0
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2025-04-08 6:26 [PATCH] dmaengine: dw-edma: Add HDMA NATIVE map check Devendra K Verma
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